According to the key questions of pulling crack,unreasonable drawing coefficient distribution and irregular surface,the new process was set down.
分析了调速帽深筒形件成形的工艺特点,针对零件在成形过程中易拉裂,拉深系数分配不合理,表面不平整等关键问题,制定了新的工艺方案,随后对该工艺方案进行了全面模拟分析,合理分配了拉深系数,很好地解决了多次拉深中的拉裂问题;为使零件表面平整,在最后一次拉深时,凸模上增设预整形角。
Then, the result of equation of critical buckling time and diagrams between critical buckling time and drawing coefficient, relative conical radius, relative radius and relative thickness are given by computer program.
然后通过计算机编程 ,求解了临界失稳方程 ,得到了拉深系数、相对锥顶半径、相对圆角半径、材料相对厚度与临界失稳时刻间的关系曲线 ,并对曲线变化的规律进行了分析。
This can be used to caculate cup-drawing rates quickly.
针对筒形件拉深工艺的传统设计方法的缺陷，利用优化设计理论，建立了筒形件拉深工艺的数学模型并编制了一套人机交互式的优化设计程序，从而方便、快捷的确定合理的拉深系数，成功地解决了筒形件拉深工艺设计中拉深系数的合理分配问题。
Simulation study on limit drawing coefficient of cylindrical part;
筒形件极限拉深系数数值模拟实验研究
Study on technological method of reducing limit drawing coefficient;
降低极限拉深系数的工艺措施
This formula to express the relation of limit drawing coefficient and friction factor is given in this paper.
通过对板料拉深法兰变形区和直壁传力区的应力分析 ,应用功平衡法 ,推导了极限拉深系数与摩擦系数之间的关系式 ,并讨论了摩擦对拉深性能的影响。
Optimization of limit drawing ratio of cylinder part
筒形件极限拉深系数的优化
And it is proved that it can reach smaller limit drawing ratio by the deep drawing experiments.
通过拉深工艺试验证明该曲面凹模可以达到很小的极限拉深系数。
Mechanical Analysis and Optimism Design for the Limiting Drawing Parameter of the Cup-drawing Process;
圆筒件拉深的力学分析及极限拉深系数的优化
Research on Reasonable Blank-Holder Force and Deep-drawing Limit of a Conical Part;
圆锥形零件极限拉深系数及合理压边力的研究
cupping(ductility) value
压延系数，引伸系数，拉伸系数，深拉系数
Numerical simulation of cup drawing based on drawing-hole forming technology
基于拉深孔成形技术的杯形件拉深数值模拟
Numerical Simulation of Multi-stage Forming Process of Motor Shell;
马达壳多道次拉深成形过程数值模拟
Research on the Number Simulation of the Forming Process of the Motorcar s Chassis Beam;
汽车底盘横梁拉深成形数值仿真研究
Hot Drawing Forming and Simulation of AZ31B Magnesium Alloy Sheet;
AZ31B镁合金板材热拉深成形及数值模拟
Research on impact of parameters to inner-wrinkling in surface drawing
曲面类零件拉深内皱的影响参数研究
The Numerical Simulation of Blank Hold Force of Cylinder Part Drawing Based on Dynaform
基于Dynaform的圆筒件拉深压边力数值模拟
Variations in the color of yellow Labradors are not penalized, but treated the same as any other yellow Labrador; however the lighter shades tend to predominate in the ring at this time.
黄色拉拉虽然颜色的深浅不同，但都是黄拉拉，尽管目前浅色的拉拉数量更多些。
The Hot Stamping Forming Simulation of the Auto Rightpanel and Optimization Design of Process Parameters
汽车右托架热拉深数值模拟及工艺参数优化
The drawbead geometrical parameter discrete optimization based on FE analysis
基于数值模拟的拉深筋结构参数离散优化
Research into Control System of Hydraulic Deep Drawing Press Based on Limit Deep Drawing Principle;
基于极限拉深原理的高速智能液压拉深机控制系统的研究
Design Flow and Knowledge Driven Drawing Die CAD System;
设计流程与知识驱动的拉深模CAD系统
Study on Expert System for Drawbead Design Based on Objected-oriented Method;
基于面向对象的拉深筋设计系统研究
Development of Stretching Mold CAD System Based on Pro/TOOLKIT;
基于PRO/TOOLKIT的拉深模CAD系统的开发
CAD/CAPP/CAE system of progressive deep drawing by knowledge based engineering
基于知识工程的连续拉深CAD/CAPP/CAE系统
Development on the CAD system of cylindrical parts drawing die based on Inventor
基于Inventor的筒形件拉深模CAD系统开发